tataÅ› ca labdha-saá¹skÄrau
dvijatvaá¹ prÄpya su-vratau
gargÄd yadu-kulÄcÄryÄd
gÄyatraá¹ vratam Ästhitau
tataḥ - then; ca - and; labdha - having received; saá¹skÄrau - initiation (Kṛṣṇa and BalarÄma); dvijatvam - twice-born status; prÄpya - attaining; su-vratau - sincere in Their vows; gargÄt - from Garga Muni; yadu-kula - of the Yadu dynasty; ÄcÄryÄt - from the spiritual master; gÄyatram - of celibacy; vratam - the vow; Ästhitau - assumed.
Both ÅšrÄ«dhara SvÄmÄ« and ViÅ›vanÄtha CakravartÄ« ṬhÄkura explain the term gÄyatraá¹ vratam as the vow of brahmacarya, or celibacy in student life. Kṛṣṇa and BalarÄma were playing the part of perfect students on the path of self-realization. Of course, in the modern, degraded age, student life has become a wild, animalistic affair filled with illicit sex and drugs.